7. ABCD is a rectangle. Calculate the area of shaded portion. 15 cm 6cm 8 cm 20 cm
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Step-by-step explanation:
Area of rectangle= length× breadth
Area of outer rectangle= 20×15
=300 sq.cm
Area of inner rectangle= 8×6
=48 sq.cm
Area of shaded portion= 300-48
=252
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